Home / 56,826.38-78,420.95-31,333.65

Finding the Fourth Proportional to 56,826.38, 78,420.95 and 31,333.65

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Solution

The fourth proportional to 56,826.38, 78,420.95 and 31,333.65 is: 43,240.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,826.38 : 78,420.95 = 31,333.65 : x
  2. Step 2: Convert to fraction form
    56,826.38/78,420.95 = 31,333.65/x
  3. Step 3: Cross multiply
    56,826.38x = 78,420.95 × 31,333.65
  4. Step 4: Simplify right side
    56,826.38x = 2,457,214,443.30
  5. Step 5: Solve for x
    x = 2,457,214,443.30/56,826.38
  6. Step 6: Final answer
    x = 43,240.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.